Questions

Let’s practice what we have learned in this chapter by answering the following questions:

1. When we want to protect the device firmware from any external access, which is the right technique to do that?
   1. Flash encryption
   2. Secure Boot
   3. The digital signature peripheral
   4. ESP Privilege Separation
2. Which of the following is false about the OTA update for ESP32?
   1. Two partitions are needed.
   2. There are many techniques for OTA updates, such as over HTTP, over MQTT, or running a TCP server on the device itself.
   3. A secure channel must be used.
   4. Application rollback is possible.
3. Which of the following is not true for the RainMaker platform?
   1. It runs on top of AWS.
   2. It is available on the AWS Marketplace for private installation and customization.
   3. It supports OTA updates.
   4. It doesn’t require mutual authentication...